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Constraints on the S wave velocity structure in a continental shield from surface wave data: Comparing linerarized least squares inversion and the direct search Neighbourhood Algorithm

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Date

2002

Authors

Snoke, J
Sambridge, Malcolm

Journal Title

Journal ISSN

Volume Title

Publisher

American Geophysical Union

Abstract

In their study of upper mantle structure beneath the Paraná Basin of SE Brazil, Snoke and James [1997] concluded, on the basis of a linearized least squares inversion (LLSI) of surface wave dispersion data, that a strong (5% contrast) low-velocity zone (

Description

Keywords

Keywords: lithospheric structure; S-wave; surface wave; upper mantle; velocity structure; Brazil Continental lithosphere-asthenosphere rheology; Direct search methods for nonlinear inversion; Neighbourhood Algorithm; Surface waves

Citation

URI

http://hdl.handle.net/1885/92214

Collections

ANU Research Publications

Source

Journal of Geophysical Research

Type

Journal article

Book Title

Entity type

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Restricted until

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